两年前，科学家们在大礁堡发现超过一百种珊瑚，靠近澳大利亚西北部的礁石。
Two years ago, scientists discovered more than one hundred corals in the Great Barrier reef and on a reef near northwestern Australia.
两年前，科学家们在大礁堡发现超过一百种珊瑚，靠近澳大利亚西北部的礁石。
Two years ago, scientists discovered more than one hundred corals in the Great Barrier reef and on a reef near northwestern Australia.
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